Nnamdi was arrested alongside three others for their alleged involvement in armed robbery in Iyi Oji area of Anambra on Wednesday.
The Police Commissioner in the state, Mr Garba Umar, presented the suspects to newsmen on Thursday at the police command headquarters in Amawbia, near Awka.
Umar said the police recovered 336 rounds of 7.22x39mm, AK-47 live ammunition from the alleged (IPOB) members and their trainer.
